Example usage for com.google.common.collect ArrayListMultimap create

Introduction

In this page you can find the example usage for com.google.common.collect ArrayListMultimap create.

Prototype

public static <K, V> ArrayListMultimap<K, V> create()

Source Link

Document

Creates a new, empty ArrayListMultimap with the default initial capacities.

Usage

From source file:com.twitter.common.collections.Multimaps.java

/**
 * Prunes a multimap based on a predicate, returning the pruned values.  The input map will be
 * modified.//from w  w w.j a  v a2s .com
 *
 * @param map The multimap to prune.
 * @param filterRule The pruning rule.  When the predicate returns {@code false} for an entry, it
 *    will be pruned, otherwise it will be retained.
 * @param <K> The key type in the multimap.
 * @param <V> The value type in the multimap.
 * @return A new multimap, containing the pruned keys/values.
 */
public static <K, V> Multimap<K, V> prune(Multimap<K, V> map, Predicate<? super Collection<V>> filterRule) {
    Preconditions.checkNotNull(map);
    Preconditions.checkNotNull(filterRule);
    Multimap<K, V> pruned = ArrayListMultimap.create();
    Iterator<Map.Entry<K, Collection<V>>> asMapItr = map.asMap().entrySet().iterator();
    while (asMapItr.hasNext()) {
        Map.Entry<K, Collection<V>> asMapEntry = asMapItr.next();
        if (!filterRule.apply(asMapEntry.getValue())) {
            pruned.putAll(asMapEntry.getKey(), asMapEntry.getValue());
            asMapItr.remove();
        }
    }

    return pruned;
}

From source file:com.talis.storage.SubmittedItem.java

public SubmittedItem(MediaType mediaType, InputStream entity, Multimap<String, String> metadata) {
    this.mediaType = mediaType;
    this.entity = entity;
    this.metadata = ArrayListMultimap.create();
    this.metadata.putAll(metadata);
}

From source file:com.oarfish.keywords.rake.RakeMatrix.java

/**
 * method to initialize the frequency and degree matrix
 *
 * @param candidateKeyword//from  w w w  . j a  v a  2s . c o m
 */
private void initMatrix(CandidateKeyword[] candidateKeyword) {
    ListMultimap<String, String> coocurrenceMatrix = ArrayListMultimap.create();
    for (CandidateKeyword candidate : candidateKeyword) {
        //do not include adjoin keywords in the matrix
        if (candidate.isIsAdjoin() == true) {
            continue;
        }

        String[] tokens = candidate.getLabel().split(" ");
        HashSet<String> tokenSet = Sets.newHashSet(tokens);

        for (String token : tokens) {
            int currentFreq = getOrDefault(freqMap, token, 0);

            //update frequency map
            freqMap.put(token, currentFreq + 1);

            //update co-occurence matrix
            for (String neighbor : tokenSet) {
                if (!neighbor.equals(token)) {
                    coocurrenceMatrix.put(token, neighbor);
                }
            }
        }
    }
    for (String token : freqMap.keySet()) {
        //degree is define as: freq(t) + size of co-occurrence_vector(t)
        int degree = freqMap.get(token) + coocurrenceMatrix.get(token).size();
        degreeMap.put(token, degree);
    }
}

From source file:tech.mcprison.prison.util.ItemManager.java

public ItemManager() throws Exception {
    File file = new File(Prison.get().getDataFolder(), "/items.csv");
    items = ArrayListMultimap.create();

    if (!file.exists()) {
        InputStream inputStream = getClass().getResourceAsStream("/items.csv");
        Files.copy(inputStream, Paths.get(file.getPath()));
    }//  w  w  w .  jav a  2  s  . c  o  m
    BufferedReader in = new BufferedReader(new FileReader(file));
    String inputLine;

    while ((inputLine = in.readLine()) != null) {
        try {
            if (!inputLine.startsWith("#")) {
                String[] array = inputLine.split(",");
                String itemName = array[0];
                int id = Integer.parseInt(array[1]);
                short data = Short.parseShort(array[2]);
                items.put(BlockType.getBlockWithData(id, data), itemName.toLowerCase());
            }
        } catch (Exception e) {
            throw new IOException("Error while reading items.csv -- it's probably invalid", e);
        }
    }
}

From source file:com.greensopinion.finance.services.transaction.TransactionNormalizer.java

/**
 * Removes transaction pairs that are self-canceling.
 *///from   www  .  jav a 2s .c  o m
public List<Transaction> normalize(List<Transaction> transactions) {
    List<Transaction> normalizedTransactions = new ArrayList<>(transactions);

    ListMultimap<Long, Transaction> transactionByAbsoluteValue = ArrayListMultimap.create();
    for (Transaction transaction : transactions) {
        transactionByAbsoluteValue.put(Math.abs(transaction.getAmount()), transaction);
    }
    for (Long amount : transactionByAbsoluteValue.keySet()) {
        List<Transaction> list = transactionByAbsoluteValue.get(amount);
        Set<Transaction> canceledOut = Sets.newIdentityHashSet();
        for (Transaction transaction : list) {
            if (canceledOut.contains(transaction)) {
                continue;
            }
            for (Transaction transaction2 : list) {
                if (transaction.getAmount() == -transaction2.getAmount()
                        && !canceledOut.contains(transaction2)) {
                    canceledOut.add(transaction);
                    canceledOut.add(transaction2);
                    break;
                }
            }
        }
        normalizedTransactions.removeAll(canceledOut);
    }

    return normalizedTransactions;
}

From source file:com.tomtom.camera.api.v2.ImageCapabilitiesV2.java

ImageCapabilitiesV2(ArrayList<ImageModeV2> imageCapabilityItems) {
    mImageCapabilitiesV2 = ArrayListMultimap.create();
    mImageModeSettingsMap = new HashMap<>();
    initImageModeSettings(imageCapabilityItems);

}

From source file:org.marinemc.net.PacketQue.java

public PacketQue(final Client c) {
    que = ArrayListMultimap.create();
    this.c = new WeakReference<>(c);
}

From source file:org.apache.bigtop.itest.hbase.system.Scanner.java

public static int doScan(HTable table, int val) throws IOException, InterruptedException {
    Scan s = new Scan();
    byte[] start = {};
    byte[] stop = {};
    byte[] value = Bytes.toBytes(String.format("%010d", val));
    s.setStartRow(start);// ww w  .  j  a  v  a  2  s .com
    s.setStopRow(stop);
    SingleColumnValueFilter filter = new SingleColumnValueFilter(Bytes.toBytes("f1"), Bytes.toBytes("qual"),
            CompareOp.EQUAL, value);
    s.setFilter(filter);

    // Keep track of gathered elements.
    Multimap<String, String> mm = ArrayListMultimap.create();

    // Counts
    int cnt = 0;
    long i = 0;
    ResultScanner rs = table.getScanner(s);
    for (Result r : rs) {
        if (r.getRow() == null) {
            continue;
        }

        NavigableMap<byte[], NavigableMap<byte[], NavigableMap<Long, byte[]>>> columnFamilyMap = r.getMap();

        // Output time to show if flush related.
        String k = Bytes.toStringBinary(r.getRow());
        if (mm.get(k).size() >= 1) {
            System.out.println("Duplicate rowkey " + k);
            LOG.error("Duplicate rowkey " + k);
        }

        mm.put(Bytes.toStringBinary(r.getRow()), i + ": " + r);
        cnt++;
        i++;
    }

    System.out.println("scan items counted: " + cnt + " for scan " + s.toString() + " with filter f1:qual == "
            + Bytes.toString(value));

    // Print out dupes.
    int dupes = 0;
    for (Entry<String, Collection<String>> e : mm.asMap().entrySet()) {
        if (e.getValue().size() > 1) {
            dupes++;
            System.out.print("Row " + e.getKey() + " had time stamps: ");
            String[] tss = e.getValue().toArray(new String[0]);
            System.out.println(Arrays.toString(tss));
        }
    }

    return dupes;
}

From source file:org.eclipse.milo.opcua.sdk.server.api.AbstractNodeManager.java

public AbstractNodeManager() {
    nodeMap = makeNodeMap(new MapMaker());
    referenceMultimap = Multimaps.synchronizedListMultimap(ArrayListMultimap.create());
}

From source file:net.orzo.IntermediateResults.java

/**
 *
 */
public IntermediateResults() {
    this.data = ArrayListMultimap.create();
}